CNOOC Limited Announces Appomattox Field Commences Production

(CNOOC,
23.May.2019) — CNOOC Limited announced the Appomattox Field in the US Gulf of
Mexico has safely commenced production ahead of schedule.

Appomattox
Field is located approximately 128 kilometers southeast of Louisiana in the
deep-water Gulf of Mexico, with water depth of approximately 2,255 meters.
Appomattox is the first commercial discovery now brought into production in the
deep-water Gulf of Mexico Norphlet formation and has an expected peak
production of 175,000 barrels of oil equivalent per day.

Mr.
Yuan Guangyu, CEO of CNOOC Limited commented, “We are very pleased with
the commencement of production ahead of schedule, as well as the cost reduction
that were achieved through optimization and innovation at Appomattox.
Appomattox will become a new growth driver to our overseas production.”